Home / 102,193.20-153,362.70-57,772.80

Finding the Fourth Proportional to 102,193.20, 153,362.70 and 57,772.80

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Solution

The fourth proportional to 102,193.20, 153,362.70 and 57,772.80 is: 86,700.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,193.20 : 153,362.70 = 57,772.80 : x
  2. Step 2: Convert to fraction form
    102,193.20/153,362.70 = 57,772.80/x
  3. Step 3: Cross multiply
    102,193.20x = 153,362.70 × 57,772.80
  4. Step 4: Simplify right side
    102,193.20x = 8,860,192,594.56
  5. Step 5: Solve for x
    x = 8,860,192,594.56/102,193.20
  6. Step 6: Final answer
    x = 86,700.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.